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News

MDH Defense - Crew Cooling Contract

MDH Defense : 03 January, 2007  (New Product)
MDH Defence has announced a new contract award to supply a Crew Cooling system to GENERAL DYNAMICS Santa Bárbara Sistemas, Germany, for their M3 Amphibious Bridge Layer vehicle.
To maximise the operational capability of any vehicle and its crew it is essential to provide a reliable and efficient environmental control system. The new integrated unit designed for the General Dynamics M3 incorporates existing standard COTS parts used within many current MDH Defence air conditioning units supplied world wide. However the new M3 system is a bespoke design to achieve a demanding performance specifications issued by the end user.

The integrated environmental control system is capable of delivering a maximum airflow rate of 1400m3/hour. The ventilation system incorporates 9kW of cooling and the integrated heater coil can also deliver nominally 8kW of heating when interfaced with a suitable diesel fired water heater.

The unit is configured to deliver re-circulated air to the evaporator unit from the crew compartment, this ensures the maximum cooling efficiency is achieved. The system also includes an ultra compact brushless peristaltic pump in order to remove any evaporator condensate generated by the system during operation.

The compressor, for maximum efficiency, is directly driven from the main engine and the condenser forms part of the main engine cooling pack.

The system controls include, ventilation, cooling and heating mode selection switch and fan speed selection (high, medium or low), all of which are built into the driver's main console for ease of operation
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